Fix sauce status codes and try travis built-in node support

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
   - "11"
+  - "10"
+  - "8"
 
 script: $TEST_COMMAND
 
@@ -19,10 +21,10 @@ matrix:
   include:
     - env:
       - USE_SAUCE=false
-      - TEST_COMMAND="bash travis-node-script.sh v8"
+      - TEST_COMMAND="npm test"
     - env:
       - USE_SAUCE=false
-      - TEST_COMMAND="bash travis-node-script.sh v9"
+      - TEST_COMMAND="npm test"
     - env:
       - JASMINE_BROWSER="firefox"
       - SAUCE_OS="Linux"

ci.js

@@ -197,7 +197,7 @@ async function getResults(driver) {
   console.log(`Randomized with seed ${details.seed} ( ${host}/?random=${details.random}&seed=${details.seed} )`);
 
   if (useSauce) {
-    driver.executeScript(`sauce:job-result=${exitCode === 0}`);
+    driver.executeScript(`sauce:job-result=${process.exitCode === 0}`);
   }
 })().finally(() => {
   return Promise.all([driver.close(), new Promise(resolve => server.close(resolve))]);

travis-node-script.sh

@@ -1,19 +0,0 @@
-#!/bin/bash -e
-
-rm -rf ~/.nvm
-git clone https://github.com/creationix/nvm.git ~/.nvm
-(cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`)
-source ~/.nvm/nvm.sh
-nvm install ${1:-"v0.12.18"}
-
-if [ "$1" = "v4" ]; then
-  node -e "pack=require('./package.json');pack.devDependencies['grunt-contrib-jshint']='^1.1.0';require('fs').writeFileSync('./package.json', JSON.stringify(pack, null, 2));"
-fi
-
-npm install
-
-if [ "$1" = "v8" ] || [ "$1" = "v9" ]; then
-  npm rebuild node-sass --force
-fi
-
-npm test